Watch strap



FIG. 1 is a front perspective view of a watch strap according to the present design.

FIG. 2 is a rear perspective view thereof.

FIG. 3 is a front view thereof.

FIG. 4 is a top view thereof.

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a right side elevation view thereof; the left side elevation view being a mirror image thereof. 

CLAIM The ornamental design for a watch strap, as shown and described. 